package result;

/**
 * Created with IntelliJ IDEA.
 * Description:做渐进主义的改良派,不做完没注意的速成派
 * User: XALEXC
 * Date: 2024-12-26
 * Time: 19:58
 */

abstract class A{
    public abstract double Area();

    public abstract double Circum();
}



public class MyTest {
    public static void main(String[] args) {
       Shape shape=new Shape();
    }
}

